html,
body {
  position: relative;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', 'Arial', sans-serif;
  font-size: 16px;
}

img {
  display: block;
}

::-webkit-scrollbar {
  display: none;
  width: 0;
  background: transparent;
}

:root {
  --gap: 20px;
  --size: 250px;
  --border-radius-small: 3px;
  --border-radius-large: 6px;
  --transition-duration-fast: 300ms;
  --transition-duration-slow: 500ms;
}
